With sharp knife, cut each thigh in half; remove bone and skin.,Place in crockpot.,Combine enchilada sauce mix with tomato paste and water.,Mixture will be thick.,Spread on thighs.,Cover; cook on Low 7 to 8 hours or until tender.,Turn pot on High.,______,Spoon into an au gratin dish or shallow casserole.,Spoon yogurt over turkey.,Sprinkle with onions.,Top with corn chips.